Curated OER
Problem Solving: Steps and Strategies
Learners explore the concept of problem solving strategies. In this problem solving strategies activity, students discuss methods for solving problems such as re-reading a problem, stating the facts, drawing a picture and so on. Learners...
Curated OER
Performing a Play
Students discover logical deduction by participating in a play. For this reasoning lesson, students act as characters from a play who's words must be analyzed to see if they are true or not. Students perform parts of the play and...
Ohio Department of Education
I Can Name that Angle in One Measure! - Grade Eight
Collaborative groups work with geometry manipulatives to investigate conjectures about angles. They create a graphic organizer to use in summarizing relationships among angles in intersecting, perpendicular and parallel lines cut by a...
Curated OER
Sine Cosine Game
In this algebra activity, students are given a word problem they must solve by rewriting the words in to algebraic symbols. They investigate Sine and Cosine using word problems. There are 18 questions with an answer key.
Curated OER
Conditional Statements
Students are introduced to the topic of proofs in Geometry. During a PowerPoint presentation, they take notes on indirect proofs and have groups of students write a true statement. They are assessed on the statement and how well they...
Curated OER
Triangles & Congruence, Proportions & Similarity, Right Triangle & Trigonometry
Students are introduced to the topic of congruence and proportions in Geometry. Using technology, they construct and validate the properties of various geometric figures and identify whether it is congruent or proportion to the objects...
Curated OER
Circle, Secants
Students identify the secant segment of a circle. In this geometry lesson, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
Curated OER
Exploring Secants: Products of Segments
Learners explore secants and circles. In this geometry activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Curated OER
Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
Curated OER
Product of Chord Segments
Students creating chords intersection using circles. In this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
Curated OER
Income Levels & Social Class: Is It All About Cash?
Students graph data and interpret that data after reading information about lifestyles and income levels. They calculate percentages, set up spreadsheets and calculate columnar data.
Curated OER
Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Curated OER
Mixing Up Ratios
Learners solve problems of ratio and proportions using hands on. In this algebra instructional activity, students vary the concentration of a fruit drink using parts of a ratio.
Curated OER
Profit and Loss
Young scholars analyze the concept of profit and loss, the components of a simple profit and loss statement and the importance of a profit and loss statement. They calculate profits using gross income, total expenses and cost of goods...
Curated OER
Iterating Linear Functions
Pupils use a spreadsheet to investigate data. In this algebra lesson, students collect and graph data on a coordinate plane. They explain properties of a linear equation both algebraically and orally.
Curated OER
Combining Integers
Seventh graders explore the concept of adding and subtracting integers. In this adding and subtracting integers instructional activity, 7th graders use white and red beans to demonstrate adding and subtracting integers. Students play an...
Curated OER
Exponential Growth and Exponential Functions
Learners explore the concept of exponential functions. In this exponential functions lesson, students model exponential growth about a high school population using an applet. Learners manipulate the applet to show the effect that a...
Curated OER
Representing Rational Numbers
Seventh graders explore rational numbers. In this fractions, decimals, and percents lesson plan, 7th graders identify and compare equivalencies between fractions, decimals, and percents. Students use hands-on activities to investigate...
Curated OER
Iterating the Function over Real Numbers
Students use a spreadsheet to find sequences of numbers. In this algebra lesson, students find the values for c of a quadratic written in standard form. They relate the behavior of the graph to the values of the equation.
Curated OER
Iterating the Function and Complex Numbers
Students identify the end behavior of polynomial graphs. For this algebra lesson, students factor and solve quadratic and complex equations. They factor out negative roots and identify the real and imaginary parts of an equation.
Curated OER
Round and Round and Round We Go!
Students investigate motion using a CBL. In this algebra lesson, students collect and graph data on a coordinate plane. They define and identify amplitude and period of conic graphs.
Curated OER
Concurrent Lines in Triangles
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson plan, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
Curated OER
Who Does the Lottery Benefit?
Students investigate the pros and cons of the lottery. In this algebra activity, students use the formulas for permutation and combination to test their arguments about the lottery. They collect data about their argument and plot it on a...
Curated OER
As the Bird Flies
Young scholars investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have...